Today there are two major standards for cell phone technology. CDMA and GSM. Common cell phone service providers like Verizon and Sprint use CDMA technology, while carriers like T-Mobile, and Cingular operate on the GSM network. Since the development of CDMA technology there has been many new releases and platforms. The original CDMA is now referred to as CDMAone.
Several different variants of CDMA technology been developed continuously improving quality and data transfer speeds. As stated above, Verizon Wireless operates on the CDMA network. This symbol defines the CDMA2000 standards your phone is operating on. Newer phones will display EV or EV-DO using the newer faster, more reliable CDMA technology.
Enhanced data transfer provides for the new technologies released by companies like Verizon. WCDMA technology, standing for Wideband Code Division Multiple access, is the most developed and advanced form of the third generation CDMA2000 technology. It encompasses higher data transfer rates and provides wireless connections in markets world wide. Many existing GSM 2G (GSM/GPRS) operators have slowly began the switch to using WCDMA technology.
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